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/*
* Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef RenderSVGResourceMasker_h
#define RenderSVGResourceMasker_h
#if ENABLE(SVG)
#include "FloatRect.h"
#include "GraphicsContext.h"
#include "ImageBuffer.h"
#include "IntSize.h"
#include "RenderSVGResourceContainer.h"
#include "SVGMaskElement.h"
#include "SVGUnitTypes.h"
#include <wtf/HashMap.h>
#include <wtf/OwnPtr.h>
namespace WebCore {
struct MaskerData {
OwnPtr<ImageBuffer> maskImage;
};
class RenderSVGResourceMasker : public RenderSVGResourceContainer {
public:
RenderSVGResourceMasker(SVGMaskElement*);
virtual ~RenderSVGResourceMasker();
virtual const char* renderName() const { return "RenderSVGResourceMasker"; }
virtual void removeAllClientsFromCache(bool markForInvalidation = true);
virtual void removeClientFromCache(RenderObject*, bool markForInvalidation = true);
virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, unsigned short resourceMode);
virtual FloatRect resourceBoundingBox(RenderObject*);
SVGUnitTypes::SVGUnitType maskUnits() const { return toUnitType(static_cast<SVGMaskElement*>(node())->maskUnits()); }
SVGUnitTypes::SVGUnitType maskContentUnits() const { return toUnitType(static_cast<SVGMaskElement*>(node())->maskContentUnits()); }
virtual RenderSVGResourceType resourceType() const { return s_resourceType; }
static RenderSVGResourceType s_resourceType;
private:
void drawContentIntoMaskImage(const FloatRect& maskRect, MaskerData*, const SVGMaskElement*, RenderObject*);
void calculateMaskContentRepaintRect();
FloatRect m_maskContentBoundaries;
HashMap<RenderObject*, MaskerData*> m_masker;
};
}
#endif
#endif
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